I have a 56g column style tank (30"x18"x24"). It has been running for almost 2 months now. About 75lbs of live rock, 2-3" of crushed coral sub, fluval canister filter, 2-150w heaters, etc..
Stock: Cleaner crew - 2- scarlet hermits, blue leg hermit, Halloween hermit, 2 astrea snails, parasite...